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HADOOP-14429. FTPFileSystem#getFsAction always returns FsAction.NONE. (Hongyuan Li via Yongjun Zhang)

This commit is contained in:
Yongjun Zhang 2017-06-20 16:51:13 -07:00
parent 45ff4d38e6
commit 5157f6c46e
2 changed files with 60 additions and 4 deletions
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9
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/ftp/FTPFileSystem.java
View File

@ -415,16 +415,17 @@ private boolean delete(FTPClient client, Path file, boolean recursive)
return client.removeDirectory(pathName);
}
private FsAction getFsAction(int accessGroup, FTPFile ftpFile) {
@VisibleForTesting
FsAction getFsAction(int accessGroup, FTPFile ftpFile) {
FsAction action = FsAction.NONE;
if (ftpFile.hasPermission(accessGroup, FTPFile.READ_PERMISSION)) {
action.or(FsAction.READ);
action = action.or(FsAction.READ);
}
if (ftpFile.hasPermission(accessGroup, FTPFile.WRITE_PERMISSION)) {
action.or(FsAction.WRITE);
action = action.or(FsAction.WRITE);
}
if (ftpFile.hasPermission(accessGroup, FTPFile.EXECUTE_PERMISSION)) {
action.or(FsAction.EXECUTE);
action = action.or(FsAction.EXECUTE);
}
return action;
}

55
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/ftp/TestFTPFileSystem.java
View File

@ -17,14 +17,18 @@
*/
package org.apache.hadoop.fs.ftp;
import com.google.common.base.Preconditions;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.permission.FsAction;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.Timeout;
import static org.junit.Assert.assertEquals;
/**
@ -82,4 +86,55 @@ public void testFTPDataConnectionMode() throws Exception {
client.getDataConnectionMode());
}
@Test
public void testGetFsAction(){
FTPFileSystem ftp = new FTPFileSystem();
int[] accesses = new int[] {FTPFile.USER_ACCESS, FTPFile.GROUP_ACCESS,
FTPFile.WORLD_ACCESS};
FsAction[] actions = FsAction.values();
for(int i = 0; i < accesses.length; i++){
for(int j = 0; j < actions.length; j++){
enhancedAssertEquals(actions[j], ftp.getFsAction(accesses[i],
getFTPFileOf(accesses[i], actions[j])));
}
}
}
private void enhancedAssertEquals(FsAction actionA, FsAction actionB){
String notNullErrorMessage = "FsAction cannot be null here.";
Preconditions.checkNotNull(actionA, notNullErrorMessage);
Preconditions.checkNotNull(actionB, notNullErrorMessage);
String errorMessageFormat = "expect FsAction is %s, whereas it is %s now.";
String notEqualErrorMessage = String.format(errorMessageFormat,
actionA.name(), actionB.name());
assertEquals(notEqualErrorMessage, actionA, actionB);
}
private FTPFile getFTPFileOf(int access, FsAction action) {
boolean check = access == FTPFile.USER_ACCESS ||
access == FTPFile.GROUP_ACCESS ||
access == FTPFile.WORLD_ACCESS;
String errorFormat = "access must be in [%d,%d,%d], but it is %d now.";
String errorMessage = String.format(errorFormat, FTPFile.USER_ACCESS,
FTPFile.GROUP_ACCESS, FTPFile.WORLD_ACCESS, access);
Preconditions.checkArgument(check, errorMessage);
Preconditions.checkNotNull(action);
FTPFile ftpFile = new FTPFile();
if(action.implies(FsAction.READ)){
ftpFile.setPermission(access, FTPFile.READ_PERMISSION, true);
}
if(action.implies(FsAction.WRITE)){
ftpFile.setPermission(access, FTPFile.WRITE_PERMISSION, true);
}
if(action.implies(FsAction.EXECUTE)){
ftpFile.setPermission(access, FTPFile.EXECUTE_PERMISSION, true);
}
return ftpFile;
}
}